There are 8 zip codes in Bremer County, Iowa. The most populated is 50677, located in Waverly. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
5067712,746Waverly
506743,539Sumner
506223,179Denver
506762,095Tripoli
506472,032Janesville
506681,159Readlyn
50666720Plainfield
50631250Frederika

Zip Codes in Bremer County, Iowa by Population (2024)